The threat comes from HLB, also known as citrus greening, a tree virus spread by the very tiny Asian citrus psyllid.

A longtime Escondido nursery owner says California is destroying tens of thousands of healthy citrus plants and refusing to ...

Oranges are facing citrus greening, a deadly disease spread by the Asian citrus psyllid. Florida scientists and growers are ...

Deep freezes in 2023 and 2024 provided relief for some of Maine’s most preyed-on tree species. Will that continue in 2026?

The Texas A&M Forest Service debunked a false viral claim that trees explode in the cold. Here's what can really happen.

According to the One8 Foundation, around 4,000 students, 105 schools and 227 educators participated in the Student Solve challenge. Additionally, more than 49,000 students in Massachusetts are engaged ...

Effective pruning also maintains a healthy and vibrant tree, boosts fruit production, and protects against pests and diseases ...

University of Florida researchers are using a combination of individual protective covers and plant growth regulators to help ...

As U.S. patent for UC Riverside's game-changing citrus variety expires, growers can now plant this tasty, virtually seedless ...

UF scientists are developing high‑tech, gene‑edited citrus varieties to help Florida growers fight citrus greening and speed ...

Did you know that colder temperatures can actually decrease the acid and increase the sugar content in oranges and make them ...

Florida’s groundwater remains relatively warm even in winter, often in the 50s or 60s. As the water freezes around the trunk and lower limbs, it releases heat — a process known as latent heat of ...